mirror of
https://codeberg.org/scip/rpnc.git
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66 lines
1.4 KiB
Go
66 lines
1.4 KiB
Go
/*
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Copyright © 2023 Thomas von Dein
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package main
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import (
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"fmt"
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"math"
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"strings"
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)
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// find an item in a list
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func contains(s []string, e string) bool {
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for _, a := range s {
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if a == e {
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return true
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}
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}
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return false
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}
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func const2num(name string) float64 {
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switch name {
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case "Pi":
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return math.Pi
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case "Phi":
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return math.Phi
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case "Sqrt2":
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return math.Sqrt2
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case "SqrtE":
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return math.SqrtE
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case "SqrtPi":
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return math.SqrtPi
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case "SqrtPhi":
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return math.SqrtPhi
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case "Ln2":
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return math.Ln2
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case "Log2E":
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return math.Log2E
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case "Ln10":
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return math.Ln10
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case "Log10E":
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return math.Log10E
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default:
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return 0
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}
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}
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func list2str(list Numbers) string {
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return strings.Trim(strings.Join(strings.Fields(fmt.Sprint(list)), " "), "[]")
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}
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